PING www.qd521.com (47.105.204.80) 56(84) bytes of data.
64 bytes from 47.105.204.80 (47.105.204.80): icmp_seq=1 ttl=112 time=256 ms
64 bytes from 47.105.204.80 (47.105.204.80): icmp_seq=2 ttl=112 time=256 ms
64 bytes from 47.105.204.80 (47.105.204.80): icmp_seq=3 ttl=112 time=256 ms

--- www.qd521.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 256.766/256.805/256.837/0.414 ms